Home / 48,228.40-72,355.20-18,647.20

Finding the Fourth Proportional to 48,228.40, 72,355.20 and 18,647.20

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Solution

The fourth proportional to 48,228.40, 72,355.20 and 18,647.20 is: 27,975.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,228.40 : 72,355.20 = 18,647.20 : x
  2. Step 2: Convert to fraction form
    48,228.40/72,355.20 = 18,647.20/x
  3. Step 3: Cross multiply
    48,228.40x = 72,355.20 × 18,647.20
  4. Step 4: Simplify right side
    48,228.40x = 1,349,221,885.44
  5. Step 5: Solve for x
    x = 1,349,221,885.44/48,228.40
  6. Step 6: Final answer
    x = 27,975.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.